12087585 has 12 divisors (see below), whose sum is σ = 20951892. Its totient is φ = 6446688.

The previous prime is 12087571. The next prime is 12087611. The reversal of 12087585 is 58578021.

It can be written as a sum of positive squares in 2 ways, for example, as 9345249 + 2742336 = 3057^2 + 1656^2 .

It is not a de Polignac number, because 12087585 - 2⁶ = 12087521 is a prime.

It is a super-2 number, since 2×12087585² = 292219422264450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134262 + ... + 134351.

It is an arithmetic number, because the mean of its divisors is an integer number (1745991).

Almost surely, 2^12087585 is an apocalyptic number.

12087585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12087585 is a deficient number, since it is larger than the sum of its proper divisors (8864307).

12087585 is a wasteful number, since it uses less digits than its factorization.

12087585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268624 (or 268621 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 12087585 is about 3476.7204374238. The cubic root of 12087585 is about 229.4984977190.

The spelling of 12087585 in words is "twelve million, eighty-seven thousand, five hundred eighty-five".